Thames Water Customer Service

Phone Number

0800 980 8800
UK Operation Hours
Monday-Friday: 8:00AM - 5:00PM

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Facts and Figures
The Thames Water Customer Service has 15 million customers and 4,700 employees being the largest business providing water and wastewater services in the United Kingdom. An average of 2,600m liters of drinking water is supplied every day. They have 102 water treatment works for procedure and care, 30 raw water reservoirs, 288 pumping stations and 235 clean water service reservoirs, passing 99.99 percent of stringent tests. There are 350 sewage works, giving an average of over 4.4bn liters every day of wastewater. They have 67,000 miles of sewer, 2,530 pumping stations and 1.2 million manholes with 2 sludge-powered generators and 19 combined heat and power plants producing 153 GWh of renewable electricity.

The Essential Service
Every day, the Thames Water Customer Service is serving customers across London and the Thames Valley and supplying tap water. The Thames Water Customer Service offers a flexible and bespoke water and waste water solutions to businesses across Scotland, England and Wales. From hotels and sellers, to producers and health clubs, the Thames Water work closely with each other for the customers to comprehend the requirements and design tailored services that suit each business at its best and that is to help in saving money and to function more efficiently. They will keep the water flowing sustainably and cost efficiently.

Thames Water

Calling the Customer Care
Please call the team on the Thames Water Customer Service at 0800 980 8800 or Textphone on 0800 316 6899for customers who would like to inquire about their Billing and accounts, and if you are calling outside the United Kingdom, please contact their phone number at +44 1793 566 421. For water supply and waste water services of the Thames Water, please dial 0800 316 9800 or Textphone on 0800 316 9898 to ask assistance from the Thames Water Customer Service team. If you would like to send a letter to the Thames Water, you may post your mail at Thames Water, PO Box 286, Swindon, SN38 2RA. For more information about their services, please visit their official website at

Additional Information
Line of the Billing and Account enquiries is open from Monday to Friday at 8am to 6pm and on Saturdays at 8am to 6pm, unfortunately, the line is closed on Sundays and bank holidays. The Thames Water Customer Service for water supply and waste water services is always open 24 hours a day to help you with your needs. Please be reminded that calls to the Thames Water Customer Service are recorded to improve the quality of their service. Textphone helplines are also open 24 hours a day for the convenience of those who are deaf and have hearing difficulties.

Thames Water Complaints

Thames Water Full Address: Clearwater Court, Vastern Rd, Reading, West Berkshire RG1 8DB, United Kingdom
Contact: Thames Water Official

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